作者:
机构:
来源:AGRICULTURE ECOSYSTEMS & ENVIRONMENT
关键词:
Free-air carbon dioxide enrichment (FACE)
Fertilizer recovery
15N
N application rate
Winter wheat
作者:
机构:
来源:BIOLOGY AND FERTILITY OF SOILS
关键词:
Free-air carbon dioxide enrichment (FACE)
Symbiotic nitrogen fixation
Natural abundance
Soybean cultivar